This is a simple demonstration showing how to use an op-amp and a photocell to sense light or darkness. You will need: LM741 Op-amp ...
Read More
Showing posts with label POWER. Show all posts
Showing posts with label POWER. Show all posts
Temperature and Humidity Display using Arduino
This is a working device i made which displays temperature or humidity respectively by pressing a push button switch. If the switch is pre...
Read More
UNIZIK students make mini bus from local materials (UNIZIK PORTAL)
S even final-year engineering students of Nnamdi Azikiwe University, Awka, Anambra State, designed and constructed a mini bus from scratch ...
Read More
ARDUINO BUSY-O-METER (Do It Yourself)
When I am working on a project I love long stretches of uninterrupted creative thought, so I designed this Busy-o-meter to let people k...
Read More
Dual-Direction Photoelectric System
Parts: R1,R4__________Photo resistors (any type) R2,R5___________20K 1/2W Trimmers (Cermet) R3,R6____________2M2 1/4W Resistors R7,R8_...
Read More
A Simple Mobile Phone Battery Charger
A very easy circuit of “ variable power supply and charger ” is being explained here. It is not only very much useful in the time of power...
Read More
Subscribe to:
Posts (Atom)